Home / 12,674,520.30-18,980,774.73-11,446,301.10

Finding the Fourth Proportional to 12,674,520.30, 18,980,774.73 and 11,446,301.10

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Solution

The fourth proportional to 12,674,520.30, 18,980,774.73 and 11,446,301.10 is: 17,141,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,520.30 : 18,980,774.73 = 11,446,301.10 : x
  2. Step 2: Convert to fraction form
    12,674,520.30/18,980,774.73 = 11,446,301.10/x
  3. Step 3: Cross multiply
    12,674,520.30x = 18,980,774.73 × 11,446,301.10
  4. Step 4: Simplify right side
    12,674,520.30x = 217,259,662,670,851.19
  5. Step 5: Solve for x
    x = 217,259,662,670,851.19/12,674,520.30
  6. Step 6: Final answer
    x = 17,141,450.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.